<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>padding属性讲解</title>
    <style type="text/css">
        div{
            width: 200px;
            height: 200px;
            background-color: lightgreen;
            /* padding: 20px; */
            /* pading 有上下左右四个方向的值 */
            padding-top: 20px;
        }
    </style>
</head>
<body>
    <!-- 内边距 盒子边框到内容的距离 -->
     <div>
        tan
     </div>
</body>
</html>